Tokyo, Japan

Hayato Kohata

This inventor holds 2 USPTO granted patents and 4 published patent applications. Top assignee: Mitsubishi Electric Corporation. Active years: 2017-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hayato Kohata. Retrieved from https://idiyas.com/inventor/hayato-kohata

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 2 

% Patents Active = 50.0

Average Co-Inventor Count = 1.5

ph-index = 1


Location History:

  • Chiyoda-ku, Tokyo, JP (2017)
  • Tokyo, JP (2018)

Company Filing History:


Years Active: 2017-2018

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2 patents (USPTO):Explore Patents

Title: Hayato Kohata: Innovator in Solar Cell Technology

Introduction

Hayato Kohata is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of solar cell technology, holding 2 patents that showcase his innovative approach to renewable energy solutions. His work is instrumental in advancing the efficiency and manufacturing processes of solar cells.

Latest Patents

Kohata's latest patents include a solar cell and a manufacturing method thereof. The solar cell features a first-conductivity-type semiconductor substrate with an impurity diffusion layer on its light-receiving surface. This layer contains a second-conductivity-type impurity element, enhancing the cell's efficiency. Additionally, the solar cell includes a plurality of linear light-receiving-surface-side electrodes that are formed through a multi-layer printing process, ensuring optimal electrical connection to the impurity diffusion layer. The electrodes are designed to decrease in width as they approach a specific reference position, optimizing light capture.

The manufacturing method of the solar cell involves creating diffusion layers of different conductivity types on both the front and back surfaces of the semiconductor substrate. This process includes forming a diffusion protection mask containing impurities to cover part of the substrate, followed by a thermal diffusion step. This innovative method allows for the creation of impurity diffusion layers with varying concentrations, enhancing the overall performance of the solar cell.

Career Highlights

Hayato Kohata is currently employed at Mitsubishi Electric Corporation, where he continues to develop cutting-edge technologies in the field of solar energy. His work has positioned him as a key player in the renewable energy sector, contributing to advancements that align with global sustainability goals.

Collaborations

Kohata collaborates with talented colleagues, including Norihiro Tamura and Atsuro Hama. Their combined expertise fosters an environment of innovation and creativity, driving forward the development of new technologies in solar energy.

Conclusion

Hayato Kohata's contributions to solar cell technology exemplify the importance of innovation in addressing energy challenges. His patents reflect a commitment to enhancing the efficiency and manufacturing processes of solar cells, paving the way for a more sustainable future.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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